Seismic response of stainless steel braced frames

L. Di Sarno, Amr S. Elnashai, D. A. Nethercot

Research output: Contribution to conferencePaper

Abstract

The present paper investigates the feasibility of the application of stainless steel (SS) in the seismic design of concentrically braced frames (CBFs). A set of multi-storey CBFs were designed according to modern seismic standards based on capacity-design rules. The results of pushover and inelastic dynamic analyses demonstrate that systems employing SSs exhibit enhanced plastic deformations and excellent energy absorbing capacity with respect to mild steel frames. The augmented strain hardening of SS, which is nearly twice that of carbon steels is beneficial to prevent local buckling in steel members. The analyses also demonstrate that in CBFs with SS braces and columns the increase in overstrength is about 33% with respect to the configuration in mild steel.

Original languageEnglish (US)
StatePublished - Jan 1 2006
EventInternational Colloquium on Stability and Ductility of Steel Structures, SDSS 2006 - Lisbon, Portugal
Duration: Sep 6 2006Sep 8 2006

Other

OtherInternational Colloquium on Stability and Ductility of Steel Structures, SDSS 2006
CountryPortugal
CityLisbon
Period9/6/069/8/06

Fingerprint

Seismic response
Carbon steel
Stainless steel
Seismic design
Strain hardening
Buckling
Plastic deformation
Steel

All Science Journal Classification (ASJC) codes

  • Civil and Structural Engineering
  • Safety, Risk, Reliability and Quality
  • Building and Construction

Cite this

Di Sarno, L., Elnashai, A. S., & Nethercot, D. A. (2006). Seismic response of stainless steel braced frames. Paper presented at International Colloquium on Stability and Ductility of Steel Structures, SDSS 2006, Lisbon, Portugal.
Di Sarno, L. ; Elnashai, Amr S. ; Nethercot, D. A. / Seismic response of stainless steel braced frames. Paper presented at International Colloquium on Stability and Ductility of Steel Structures, SDSS 2006, Lisbon, Portugal.
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Di Sarno, L, Elnashai, AS & Nethercot, DA 2006, 'Seismic response of stainless steel braced frames', Paper presented at International Colloquium on Stability and Ductility of Steel Structures, SDSS 2006, Lisbon, Portugal, 9/6/06 - 9/8/06.

Seismic response of stainless steel braced frames. / Di Sarno, L.; Elnashai, Amr S.; Nethercot, D. A.

2006. Paper presented at International Colloquium on Stability and Ductility of Steel Structures, SDSS 2006, Lisbon, Portugal.

Research output: Contribution to conferencePaper

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AU - Elnashai, Amr S.

AU - Nethercot, D. A.

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AB - The present paper investigates the feasibility of the application of stainless steel (SS) in the seismic design of concentrically braced frames (CBFs). A set of multi-storey CBFs were designed according to modern seismic standards based on capacity-design rules. The results of pushover and inelastic dynamic analyses demonstrate that systems employing SSs exhibit enhanced plastic deformations and excellent energy absorbing capacity with respect to mild steel frames. The augmented strain hardening of SS, which is nearly twice that of carbon steels is beneficial to prevent local buckling in steel members. The analyses also demonstrate that in CBFs with SS braces and columns the increase in overstrength is about 33% with respect to the configuration in mild steel.

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Di Sarno L, Elnashai AS, Nethercot DA. Seismic response of stainless steel braced frames. 2006. Paper presented at International Colloquium on Stability and Ductility of Steel Structures, SDSS 2006, Lisbon, Portugal.